OPTICAL LIGHT VALVE SYSTEM FOR PROVIDING PHASE CONJUGATED BEAM OF CONTROLLABLE INTENSITY - Patent 0375768

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EP 0 375 768 A1

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(43)	Date of publication:
	04.07.1990 Bulletin 1990/27

(21)	Application number: 89907404.0

(22)	Date of filing: 24.04.1989

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International Patent Classification (IPC):

G02F 1/ 13^{( . )}
G02F 1/ 35^{( . )}

G02F 1/ 135^{( . )}
G03H 1/ 04^{( . )}

(86)	International application number:
	PCT/US1989/001686

(87)	International publication number:
	WO 1989/012249 (14.12.1989 Gazette 1989/29)

(84)	Designated Contracting States:
	DE FR GB IT NL

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Priority:

10.06.1988 US 19880204646

(71)	Applicant: HUGHES AIRCRAFT COMPANY
	Los Angeles, CA 90045-0066 (US)

(72)	Inventors:
	EFRON, Uzi Los Angeles, CA 90064 (US) OWECHKO, Yuri Newbury Park, CA 91320 (US)

(74)	Representative: KUHNEN, WACKER & PARTNER
	Alois-Steinecker-Strasse 22 D-85354 Freising D-85354 Freising (DE)

(54)	OPTICAL LIGHT VALVE SYSTEM FOR PROVIDING PHASE CONJUGATED BEAM OF CONTROLLABLE INTENSITY